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Oatey No. 5 lead-free paste flux works with most common soldering metals, including copper, brass, zinc, galvanized iron, lead and tin, or copper-coated metals.
Flux cleans and prepares the metal, and is a critical step in the soldering process. No. 5 paste flux provides superior wetting properties for better solder flow and can be used with most soft solders. No. 5 paste flux complies with CA and VT lead content regulations.
Read all cautions and directions carefully before using this product. Apply flux with brush- do not apply with fingers. Wash hands thoroughly after use and before eating. Wear safety glasses with side shields and rubber gloves. Eye and skin irritant. Harmful if swallowed. Vapor may be harmful. Eye or skin contact may cause intense irritation and injury. In case of contact with eyes or skin, flush with water and seek medical attention immediately. If swallowed, do not induce vomitting. Drink water and call physician or poison control center immediately. Ingestion of this product may cause gastrointestinal distress. If inhaled, get fresh air and seek medical attention if ill feelings persist. Keep container closed when not in use. Do not reuse or empty container. Keep out of reach of children. For emergency first aid help, call 1-877-740-5015.
Paste Fluxes require only a small amount of flux applied to the joint.